US2128733A - Resilient support - Google Patents

Resilient support Download PDF

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Publication number
US2128733A
US2128733A US128169A US12816937A US2128733A US 2128733 A US2128733 A US 2128733A US 128169 A US128169 A US 128169A US 12816937 A US12816937 A US 12816937A US 2128733 A US2128733 A US 2128733A
Authority
US
United States
Prior art keywords
metal member
rubber
resilient
metal
bridge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US128169A
Other languages
English (en)
Inventor
Ellwood F Riesing
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bridgestone Firestone Inc
Original Assignee
Firestone Tire and Rubber Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Firestone Tire and Rubber Co filed Critical Firestone Tire and Rubber Co
Priority to US128169A priority Critical patent/US2128733A/en
Priority to GB2081/38A priority patent/GB504144A/en
Priority to FR840722D priority patent/FR840722A/fr
Priority to BE429183D priority patent/BE429183A/xx
Application granted granted Critical
Publication of US2128733A publication Critical patent/US2128733A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/42—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
    • F16F1/44—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in compression
    • F16F1/445—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing loaded mainly in compression the spring material being contained in a generally closed space
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2236/00—Mode of stressing of basic spring or damper elements or devices incorporating such elements
    • F16F2236/04—Compression
    • F16F2236/045—Compression the spring material being generally enclosed

Definitions

  • This invention relates to resilient supports, and
  • the chief objects of the invention are to provide an improved support of the character mentioned that yieldingly will resist torsional vim bration, vertical and lateral vibration, and fore ,and aft vibration parallel to the axis of the -motor; that comprises elements .of metal that are so interlocked as to retain the motor in proper position even though the rubber of the mounting becomes entirely detached from the metal structure, due to accidental or fatigue break-down; to provide a motor mounting 01' the character mentioned which permits but a restricted amplitude of movement between supporting and supported structures; to provide a resilient mounting construction which will offer an increasing rate of resistance to all vibratory movements of the engine; and to provide a resilient support of the character mentioned whereln-the resilient element will be subject to compressive, tensile, and shearing strains under all phases of operation.
  • Other objects will be manifest as the specification proceeds.
  • Figure 1 is a perspective view of a vehicle engine, a fragmentary portion of a vehicle chassis, and a plurality of the improved resilient supports operatively interposed between the said engine and chassis;
  • Figure 2 is a plan view of the improved resilient support
  • Figure 3 is a section on the line 3-3 of Figure 2;
  • Figure 4 is a section on the line 4-4 of- Figure 2;
  • Figures 5 and 6 are graphs showing how the rate of resistance to deformation of the support progressively increases both in the compression and tension phases of operation respectively.
  • Figure 1 a typical installation of the improved resilient supportja pluralityof the latter being shown operatively interposed between a vehicle.
  • the improved support comprises an upper metal member iii, a lower metal member or insert it, a body of resilient rubber composition l5 vulcanized to each of said metal members, and a removable T-shaped bolt l6 extending through the metal and rubber structure and interlocking the metal members l3 and I4.
  • the upper metal member i3 is an open box-like structure having a fiat top, and at two opposite sides is formed with perpendicular, downwardly extending side-walls Ha, Ha, the bottom margins of thelatter being centrally formed with respective rectangular recesses or notches l1, 11.
  • Each of the other two sides of the metal member I3 is formed with a pair of arcuate, downwardly extending fingerlike portions l3b, l3b, the ends of which are disposed somewhat above the lower margins of sidewalls l3a.
  • the adjacent lateral margins of each pair of finger-like portions l3b merge at their upper ends in a curve l8, most clearly shown in Figure 2.
  • the flat top of member 83 is formed with a centrally disposed aperture 19.
  • the lower metal member or insert i4 is substantially rectangular in plan, and has its opposite end portions formed with respective belt holes 20, 20 that receive the bolts that secure the structure to a supporting member, such as a vehicle chassis.
  • the insert I 4' presents a bridge-like appearance in that its medial region is offset upwardly from the plane of the end portions thereof.
  • Said ofiset medial region, designated Ma is shaped something like an inverted cup, and is generally rectangular in plan with its longer sides disposed transversely of the insert and its ends projecting beyond the lateral margins of the end portions of the insert, as is most clearly shown in Figure 2.
  • the side-walls of the bridge portion Ila are perpendicular to the end portions of the insert, as shown in Figure 4, and said bridge portion is formed with a centrally disposed aperture 22 that is elongate in the direction of the long dimension of the insert, andextends completely across said bridge portion, as shown in Figures 2 and 4.
  • the insert I4 is so disposed relatively of the upper metal member it that the apertures 20 of said insert it aredn axial alignment with the respective arcs 18, between the finger-like portions .llb at opposite sides of,
  • a body of resilient rubber composition '24 Positioned between vulcaniaedito each of i the metal members I3, I4 is a body of resilient rubber composition '24, the latter supporting the upper metal member I3 somewhat above the metal member I4, and in laterally spaced relation to all sides of the bridge portion Ida of the latter. As viewed in plan (Fig. 2) none of the rubber of the support is visible for the reason that the profile of the rubber, in a horizontal plane, is iden tical with that of the upper metal member I3.
  • the bottom of the rubber structure 24 is flush with the bottom face of the end portions of insert I4, and follows the curvature of said end portion, where they adjoin the bridge portion Ida, the medial region of the bottom face of the rubber following the profile of the bottom margins of the end walls I3a of the metal member I3, so as to provide a transverse recess or slot 25 that is in alignment with recesses or notches I! in said end walls.
  • Coaxially arranged with relation to aperture I8 in upper metal plate I3 is a vertical bore or aperture 26 that extends completely through rubber structure I5 and opens into slot 25 at its lower end, said bore extending through aperture 22 of the bridge portion I 4a. of metal insert I 4.
  • the bore 26 is slightly larger in diameter than aperture I9, so that there is a shoulder 21 at the upper end of the bore where the member I3 overhangs the same.
  • Receivable in bore 26 and slot 25 is the T-shaped bolt I6, the respective end portions of the cross-piece of the latter being received in the notches H in the side walls I3a of metal member I3.
  • the threaded portion of bolt I6 projects through aperture I9 of metal member I3, and at the base of said threaded portion the bolt is formed with a shoulder that is engageable with the shoulder 21 of the bore 26.
  • the bolt I6 is utilized for attaching the supported member, such as the vehicle engine ID, to the resilient support, the arrangement being such that tightening of the bolt cannot have any effect upon the pressure exerted upon the rubber of the support.
  • the support is secured to a supporting member, such as the vehicle chassis I I, by means of bolts 29, Figure 1, that extend through the apertures 20 in the metal insert I4 of the support. Because the cross-piece of the T-shaped bolt I6 extends beneath the bridge portion Ida of the insert I4, there is such an interlock of the metal members of the support as positively to prevent separation of a supported and a supporting structure even upon complete failure of the rubber element I5.
  • the finger-like portions I3b and side-walls I3a of the metal member I3 are disposed laterally of bridgeportion Ma, relative lateral movement of members I3, I4, either axially of the engine III or in a direction transversely thereof, will be resisted by the rubber structure I5, which thereby is put partly under compressive strain and partly under tension and shear stresses.
  • the portions I3b and side-walls I 3a are so arranged that the corners of the box-like member I3 are open, as is the region between adjacent portions I3b, the arrangement providing ample space for deformation or displacement of the rubber of body I5 when under compressive load.
  • the improved support ofiers an increasing rate of resistance to deformation both in the compression and tension phases of operation, as is graphically shown in Figures 5 and 6 respectively.
  • Each graph shows the values obtained by the use, in the resilient supports, of rubber stocks of two different degrees of hardness as measured by the Shore durometer.
  • the invention obviates some of the undesirable features present in resilient mountings of prior constructions, and it achieves the several advantages set out in the foregoing statement of objects.
  • a resilient support the combination of an upper metal member of box-like shape open at its bottom, a lower metal member disposed transversely thereof and having an offset portion disposed within the box-like structure, a body of resilient rubber composition disposed interiorly of said box-like structure and surrounding the offset portion of the lower metal member, and means for attaching said metal members respectively to a supported and a supporting structure, the means 'for attaching the box-like member extending through the offset portion of the lower metal member, in spaced relation thereto and engaging the box-like structure, said structure and said means being in surrounding relation with respect to said offset portion to effect a mechanical interlock of said members.
  • a resilient support the combination of a metal member of box-like shape open on one side, a second metal member extending across the open side of said first mentioned member and formed with an offset, bridge-like medial portion extending into said box-like member, a body of resilient rubber composition disposed interiorly of said box-likememberand surrounding the bridge-like portion of thesecond metal member and bonded by vulcanization to both metal members, and a third metal member engaging opposite sides of the box-like member and disposed transversely of the bridge-like portion of the second metal member so as to provide a mechanical interlock of the first and second metal members, said third metal member being integrally formed with a threaded bolt that projects at right angles thereto through the rubber and metal members and adapted for attachment to a structure exteriorly thereof.
  • a resilient support the combination of a metal member of box-like shape open on one side, a second metal member extending across the open side of said first metal member and formed with an offset, bridge-like medial portion extending into said box-like member, a body of resilient rubber composition disposed interiorly of said box-like member and surrounding the bridge-like portion of the second metal member and being vulcanized to both of them, and a T-shaped bolt extending through the metal and rubber structure, the cross-piece of the bolt spanning the open side of the box-like structure, in spaced relation to the bridge-like portion of the second metal member therein, and engaging the opposite lateral walls of the box-like structure.
  • a resilient support the combination of a metal member of box-like shape open on one side and formed with a central aperture, a second metal member extending across the open side of said box-like member and formed with a bridgelike medial portion extending thereinto, said bridge portions being formed with an aperture that is in axial alignment with the first mentioned aperture and of larger size, a body of, resilient rubber disposed interiorly of said boxlike member and surrounding the bridge-like portion of the second metal member'and bonded by vulcanization to both metal members, there being a bore in said rubber body that extends from the aperture in the box-like member, through the aperture in the bridge-portion, and opening into a slot formed in the rubber body transversely thereof, and a T-shaped bolt removably mounted in said bore, the cross-piece of the bolt being receivable in said slot.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Vibration Prevention Devices (AREA)
US128169A 1937-02-27 1937-02-27 Resilient support Expired - Lifetime US2128733A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US128169A US2128733A (en) 1937-02-27 1937-02-27 Resilient support
GB2081/38A GB504144A (en) 1937-02-27 1938-01-21 Improvements in or relating to resilient supports
FR840722D FR840722A (fr) 1937-02-27 1938-07-15 Perfectionnements aux dispositifs de support élastique
BE429183D BE429183A (enrdf_load_stackoverflow) 1937-02-27 1938-07-15

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US128169A US2128733A (en) 1937-02-27 1937-02-27 Resilient support
BE429183T 1938-07-15
FR840722T 1938-07-15

Publications (1)

Publication Number Publication Date
US2128733A true US2128733A (en) 1938-08-30

Family

ID=22433978

Family Applications (1)

Application Number Title Priority Date Filing Date
US128169A Expired - Lifetime US2128733A (en) 1937-02-27 1937-02-27 Resilient support

Country Status (4)

Country Link
US (1) US2128733A (enrdf_load_stackoverflow)
BE (1) BE429183A (enrdf_load_stackoverflow)
FR (1) FR840722A (enrdf_load_stackoverflow)
GB (1) GB504144A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744911C (de) * 1939-02-18 1944-01-29 Auto Union A G Elastische Zweipunktlagerung fuer quer zur Fahrzeuglaengsachse angeordnete Brennkraftmaschinen
US2631810A (en) * 1949-12-19 1953-03-17 Caterpillar Tractor Co Resilient supporting device
US2693207A (en) * 1948-01-14 1954-11-02 Mc Culloch Motors Corp Gasoline powered handsaw
US5121905A (en) * 1990-09-06 1992-06-16 Karman Rubber Company Resilient mount

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744911C (de) * 1939-02-18 1944-01-29 Auto Union A G Elastische Zweipunktlagerung fuer quer zur Fahrzeuglaengsachse angeordnete Brennkraftmaschinen
US2693207A (en) * 1948-01-14 1954-11-02 Mc Culloch Motors Corp Gasoline powered handsaw
US2631810A (en) * 1949-12-19 1953-03-17 Caterpillar Tractor Co Resilient supporting device
US5121905A (en) * 1990-09-06 1992-06-16 Karman Rubber Company Resilient mount

Also Published As

Publication number Publication date
BE429183A (enrdf_load_stackoverflow) 1938-08-31
FR840722A (fr) 1939-05-03
GB504144A (en) 1939-04-20

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